Seasonal system performances for vertial ground-coupled heat exchangers and comparison with air-to-water heat pump systems.
Author(s) : ROMERO G., URCHUEGUÍA J., CAMBIEN W., et al.
Summary
In the frame of the European project Geocool, this paper shows the results of applying a methodology developed for the comparative study between a system combining a water-to-water reversible heat pump of commercial size with a vertical ground coupled heat exchanger (GCHE) and an equivalent air-to-water heat pump system in typical conditions of the European Mediterranean rim (of great importance for cooling). For this purpose, the seasonal system performance factors for heating and cooling, and the temperature profiles of the water in the GCHE for a 25-years period were calculated for different backfill materials. In addition, an extensive study of relevant climatological parameters of Valencia-Spain was made. These results were transformed in bin-hour data which are used for calculating the seasonal system performance factors for heating and cooling for the air-to-water heat pump system. The heat pump properties have been calculated using the IMST Group's ART software. Finally, a comparison was made between GCHE-system and air-to-water heat pump showing the efficiency improvement obtained for various grouting materials.
Details
- Original title: Seasonal system performances for vertial ground-coupled heat exchangers and comparison with air-to-water heat pump systems.
- Record ID : 2006-3165
- Languages: English
- Source: 8th IEA Heat Pump Conference 2005: global advances in heat pump technology, applications, and markets. Conference proceedings [CD-ROM].
- Publication date: 2005/05/02
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